PEX pipes have become extremely popular with consumers after they hit the market in the 70s. These pipes are still going strong even after 30+ year of their inception. Of course, the PEX pipes in use today are not the same thing one would have used in the 70s & 80s. It has gone through major changes in the ensuing period & the pipes that are available in the market today are far more advanced compared to the similar pipes of yesteryear.
Today, these pipes are used almost everywhere around the globe. Use of PEX pipes, though, varies from one country to another. Types of PEX tube used in one country may also vary from the size of pipes used in another country. Therefore, in every country PEX tubing have a different usage.